Asthma is a chronic respiratory disease. It is a form of inflammation that affects the respiratory tracts that transport the air to the lungs. This inflammation leads to the swelling of the ducts and the sensitivity of the bowels. The symptoms of asthma are common and known to the person because of the infection. These symptoms: cough, shortness of breath that is accompanied sometimes by the sound of whistling coming out of the chest, pain and chest tightness, and so on.
Asthma is called the last name, which is: (crisis), this name is the common name of the disease in the general population, Asthma is called in English: (Asthma), this word is the Greek word origin. Asthma is a very common and widespread disease, especially in children. Millions of people in the world suffer from it. The most common reason among children is the small size of children’s respiratory tract. Children’s respiratory tracts are known to be smaller than sewage In adults, small respiratory tracts are an important contributor to asthma.
Knowing the causes and factors that lead to asthma and avoiding them is one of the best ways to prevent asthma. Causes and causes of asthma include inhalation of air polluted by various types of pollutants, such as factory smoke, , Cigarette smoke, which can be inhaled directly through cigarette smoking, indirectly through smoking, standing nearby, and inhaling smoke from their cigarettes (passive smoking) or (indirect smoking).
Other things that can lead to asthma include: inhalation of volatile dust, such as: dust from dust storms in some areas, and inhalation of pollen; this dust can lead to asthma, exposure to some irritating chemicals, and Exposure of some animals to an asthma attack, and sometimes some psychological factors may lead to an asthma attack, such as: tension, anxiety.
Avoiding previous causes and factors is the best prevention against asthma. In some cases, however, a person may develop asthma with all preventive measures. In this case the cause of asthma may be the genetic factor. If a person has a family with some of the disease Asthma, it is also likely to become infected with this disease.